what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

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why do transformer make a sound

4 Answers  

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why DC is not generated instead of AC?

4 Answers  

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What is AMP and KA in a MCCB and MCB

2 Answers  

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Why do we use only Sinusoidal Wave in AC supply why not the Square,Triangle or Sawtooth etc?

2 Answers  

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Which is the largest hydropower station in the world?

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what is the essential resistance of r y b phase short citcuit ? Eg in star connection we doing this kind of short circuit oly

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Why consider motor rpm to select capacitor for motor

1 Answers   KSEB,

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how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

2 Answers  

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While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

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How to measure the earth resistance value in a concrete pavement(flood light area)?

0 Answers   ANZ, Watt,

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